#ifndef OMG_DDS_STATE_HPP_
#define OMG_DDS_STATE_HPP_

/* Copyright (c) 2009-2010, Real-Time Innovations, Inc.
 * Copyright (c) 2010, Object Management Group, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 
 * - Redistributions of source code must retain the above copyright notice,
 *   this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - Neither the names of the above copyright holders nor the names of their
 *   contributors may be used to endorse or promote products derived from
 *   this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL A COPYRIGHT HOLDER OR CONTRIBUTOR BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */


namespace dds {
    namespace core {
        class OMG_DDS_API SampleState : public std::bitset<32>
        {
        public:
            typedef std::bitset<32> MaskType;

        public:
            SampleState();
            SampleState(const SampleState& src);
            SampleState(const MaskType& src);
            SampleState(uint32_t mask);

        public:
            enum Kind {
                READ     = (0x0001 << 0),
                NOT_READ = (0x0001 << 1)
            };

            inline static const SampleState any() {
                return ~0u;
            }

        private:
            // stateless: bitset has non-virtual destructor
        };


        class OMG_DDS_API ViewState : public std::bitset<32>
        {
        public:
            typedef std::bitset<32> MaskType;
            
        public:
            ViewState();
            ViewState(const ViewState& src);
            ViewState(const MaskType& src);
            ViewState(uint32_t mask);
            
        public:
            enum Kind {
                NEW     = (0x0001 << 0),
                NOT_NEW = (0x0001 << 1)
            };
            
            inline static const ViewState any() {
                return ~0u;
            }

        private:
            // stateless: bitset has non-virtual destructor
        };


        class OMG_DDS_API InstanceState : public std::bitset<32>
        {
        public:
            typedef std::bitset<32> MaskType;
            
        public:
            InstanceState();
            InstanceState(const InstanceState& src);
            InstanceState(const MaskType& src);
            InstanceState(uint32_t mask);

        public:
            enum Kind {
                ALIVE                = (0x0001 << 0),
                NOT_ALIVE_DISPOSED   = (0x0001 << 1),
                NOT_ALIVE_NO_WRITERS = (0x0001 << 2)
            };
            
            inline static const InstanceState not_alive() {
                return NOT_ALIVE_DISPOSED | NOT_ALIVE_NO_WRITERS;
            }
            
            inline static const InstanceState any() {
                return ~0u;
            }
            
        private:
            // stateless: bitset has non-virtual destructor
        };
    }
}

#endif // !defined(OMG_DDS_STATE_HPP_)
